Consolidated Statements of Shareholders' Equity (unaudited) - USD ($) $ in Thousands	Total		Unearned ESOP Shares [Member]	Common Stock and Related Surplus [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income [Member]	Series 2009 Preferred Stock [Member]	Series 2009 Preferred Stock [Member] Preferred Stock [Member]	Series 2009 Preferred Stock [Member] Common Stock and Related Surplus [Member]	Series 2011 Preferred Stock [Member]	Series 2011 Preferred Stock [Member] Preferred Stock [Member]	Series 2011 Preferred Stock [Member] Common Stock and Related Surplus [Member]
Beginning Balance at Dec. 31, 2014	$ 131,644			$ 32,670	$ 87,719	$ 2,072		$ 3,419			$ 5,764
Comprehensive income:
Net income	11,956				11,956
Other comprehensive income	(2,507)					(2,507)
Total comprehensive income	9,449
Stock compensation expense	100			100
Conversion of Preferred Stock to Common Stock							$ (15)	(3,419)	$ 3,404	$ (16)	(5,764)	$ 5,748
Issuance of 497,571 shares of common stock	4,747			4,747
Purchase of unallocated common stock held by ESOP	(2,250)		$ (2,250)
Stock Issued During Period, Value, Employee Stock Ownership Plan	256		233	23
Retirement of 100,000 shares of common stock	(1,080)			(1,080)
Common stock cash dividends declared	(2,546)				(2,546)
Ending Balance at Sep. 30, 2015	140,289		(2,017)	45,612	97,129	(435)		0			0
Beginning Balance at Dec. 31, 2015	143,744	[1]	(1,964)	45,741	100,423	(456)		0			0
Comprehensive income:
Net income	12,586				12,586
Other comprehensive income	38					38
Total comprehensive income	12,624
Stock compensation expense	150			150
Stock Issued During Period, Value, Employee Stock Ownership Plan	428		280	148
Stock Issued During Period, Value, Dividend Reinvestment Plan	0			75	(75)
Common stock cash dividends declared	(3,126)				(3,126)
Ending Balance at Sep. 30, 2016	$ 153,820		$ (1,684)	$ 46,114	$ 109,808	$ (418)		$ 0			$ 0

[1] December 31, 2015 financial information has been extracted from audited consolidated financial statements